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At what temperature would the population of the first rotational level of HCl be 1/e times the population of the ground state? Rotational constant for HCl, B, is equal to 10.59 cm-1.
In the Virtual ChemLab experiment "Electronic State Energy Levels," what gaseous element is used in fluorescent light tubes?
30.3 g of chromium(III) oxide reacts with 10.8 g of aluminum to produce chromium and aluminum oxide. If 20.7 g of chromium is produced, what mass of aluminum oxide is produced?
Calculate the work associated with the expansion of a gas from 152.0 L to 189.0 L at a constant pressure of 11.0 atm.
A chemical reaction takes place in a container of cross-sectional area 100 cm2. As a result of the reaction, a piston is pushed out through 21 cm against an external pressure of 534 torr.
calculate the concentration of each diluted reactant in the 50.0ml volumetric flask. then calculate the concentration of each reactant in the reaction beaker before any reaction has occured.
If 2.45 g of X reacts with 6.55 g of M to produce 11.25 g of a compound with the formula M2X3, and the atomic mass of M is 42.0 amu, what is the atomic mass of X
dissolving 16.45 g potassium chloride in 86.77 g water. What is the concentration in weight percent for this saline solution?
Determine osmolarity of solution when 25.0 grams of aluminum chloride dissolves in 2.50 liters of H2O.
Determine the Kelvin temperature required for 0.0470mol of gas to fill a balloon to 1.20L under 0.988atm pressure.
how many moles of methane occupy a volume of 2.00 L at 50.0 degress C and 0.500 atm? (R=0.0821atm x L/mol x K)
MgNH4PO4 6 H2O loses H2O stepwise as it is heated. Between 40 and 60 C the monohydrate is formed, and above 100 C the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and the anhydrous material?
What is the contribution to the internal energy from translations for an ideal monatomic gas confined to move on a surface?
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